parse env strings into ints or bools

Status Job ID Name Coverage
  Test
failed #169391

00:00:11

 
Name Stage Failure
failed
Test There is an unknown failure, please try again
Using Docker executor with image ruby:2.1 ...
Starting service mysql:latest ...
Starting service postgres:latest ...
Starting service redis:latest ...
Starting service mongo:latest ...
Waiting for services to be up and running...

ERROR: Build failed with: API error (500): Cannot start container 2e4921320fa3b1cac908dad56db1e63e95de15f021f7ce8aea15f755f4676f70: Cannot link to a non running container: /runner-055dc32a-project-2347-concurrent-0-mongo AS /runner-055dc32a-project-2347-concurrent-0/mongo